Garrett Sydney Wadda, 44, has been charged with first-degree murder and aggravated sexual abuse, and Eugenia Ann Rowland has been charged with second-degree murder.
The pair are accused of killing Hanna Harris, a 21-year-old mother from the reservation.

Harris went missing in July 2013 and her body was found a few days later on the reservation. She left behind a son who was 10 months old when she died.